-224 is an even number.
-224 is a Harshad number, which means it is divisible by the sum of its digits (2 + 2 + 4 = 8, and -224 is divisible by 8).
In binary, -224 is represented as 1111111111111111111111111111111111111111111111111111111100100000.
In hex, -224 is represented as ffffffffffffff20.